Re: [RFC PATCH v8 03/10] dpll: core: Add DPLL framework base functions

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Fri, Jun 09, 2023 at 02:18:46PM CEST, arkadiusz.kubalewski@xxxxxxxxx wrote:
>From: Vadim Fedorenko <vadim.fedorenko@xxxxxxxxx>

[...]

>+int dpll_device_register(struct dpll_device *dpll, enum dpll_type type,
>+			 const struct dpll_device_ops *ops, void *priv)
>+{
>+	struct dpll_device_registration *reg;
>+	bool first_registration = false;
>+
>+	if (WARN_ON(!ops))
>+		return -EINVAL;
>+	if (WARN_ON(type < DPLL_TYPE_PPS || type > DPLL_TYPE_MAX))
>+		return -EINVAL;
>+
>+	mutex_lock(&dpll_lock);
>+	reg = dpll_device_registration_find(dpll, ops, priv);
>+	if (reg) {
>+		mutex_unlock(&dpll_lock);
>+		return -EEXIST;
>+	}
>+
>+	reg = kzalloc(sizeof(*reg), GFP_KERNEL);
>+	if (!reg) {
>+		mutex_unlock(&dpll_lock);
>+		return -EEXIST;
>+	}
>+	reg->ops = ops;
>+	reg->priv = priv;
>+	dpll->type = type;
>+	first_registration = list_empty(&dpll->registration_list);
>+	list_add_tail(&reg->list, &dpll->registration_list);
>+	if (!first_registration) {
>+		mutex_unlock(&dpll_lock);
>+		return 0;
>+	}
>+
>+	xa_set_mark(&dpll_device_xa, dpll->id, DPLL_REGISTERED);
>+	mutex_unlock(&dpll_lock);
>+	dpll_device_create_ntf(dpll);

This function is introduced in the next patch. Breaks bissection. Make
sure you can compile the code after every patch applied.



>+
>+	return 0;
>+}

[...]



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